CyberinfraV1, Main, Exploration, bibRecord, 000A86

Photometric analysis in the Kepler Science Operations Center pipeline

Identifieur interne : 000A86 ( Main/Exploration ); précédent : 000A85; suivant : 000A87

Photometric analysis in the Kepler Science Operations Center pipeline

Auteurs : Joseph D. Twicken [États-Unis] ; Bruce D. Clarke [États-Unis] ; Stephen T. Bryson [États-Unis] ; Peter Tenenbaum [États-Unis] ; Hayley Wu [États-Unis] ; Jon M. Jenkins [États-Unis] ; Forrest Girouard [États-Unis] ; Todd C. Klaus [États-Unis]

Source :

Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2010.

RBID : Pascal:11-0004562

Descripteurs français

Pascal (Inist)
- Processeur pipeline, Composant logiciel, Traitement pipeline, Série temporelle, Photométrie, Système sur puce, Centre gravité, Nettoyage, Vol, Caractéristique temporelle, Barycentre, Date, Archive, Télescope, Application spatiale.
Wicri :
- topic : Vol.

English descriptors

KwdEn :
- Archive, Barycenter, Center of mass, Cleaning, Date, Flight, Photometry, Pipeline processing, Pipeline processor, Software component, Space application, System on a chip, Telescope, Time curve, Time series.

Abstract

We describe the Photometric Analysis (PA) software component and its context in the Kepler Science Operations Center (SOC) Science Processing Pipeline. The primary tasks of this module are to compute the photometric flux and photocenters (centroids) for over 160,000 long cadence (-thirty minute) and 512 short cadence (˜one minute) stellar targets from the calibrated pixels in their respective apertures. We discuss science algorithms for long and short cadence PA: cosmic ray cleaning; background estimation and removal; aperture photometry; and flux-weighted centroiding. We discuss the end-to-end propagation of uncertainties for the science algorithms. Finally, we present examples of photometric apertures, raw flux light curves, and centroid time series from Kepler flight data. PA light curves, centroid time series, and barycentric timestamp corrections are exported to the Multi-mission Archive at Space Telescope [Science Institute] (MAST) and are made available to the general public in accordance with the NASA/Kepler data release policy.

Affiliations:

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<front><div type="abstract" xml:lang="en">We describe the Photometric Analysis (PA) software component and its context in the Kepler Science Operations Center (SOC) Science Processing Pipeline. The primary tasks of this module are to compute the photometric flux and photocenters (centroids) for over 160,000 long cadence (-thirty minute) and 512 short cadence (˜one minute) stellar targets from the calibrated pixels in their respective apertures. We discuss science algorithms for long and short cadence PA: cosmic ray cleaning; background estimation and removal; aperture photometry; and flux-weighted centroiding. We discuss the end-to-end propagation of uncertainties for the science algorithms. Finally, we present examples of photometric apertures, raw flux light curves, and centroid time series from Kepler flight data. PA light curves, centroid time series, and barycentric timestamp corrections are exported to the Multi-mission Archive at Space Telescope [Science Institute] (MAST) and are made available to the general public in accordance with the NASA/Kepler data release policy.</div>
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Photometric analysis in the Kepler Science Operations Center pipeline

Photometric analysis in the Kepler Science Operations Center pipeline

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri